Vulnerability · Published Oct 31, 2026 · Assigned by Wordfence
CVE-2026-92294Spectra Gutenberg Blocks <= 2.20.4 - Missing Authorization to Unauthenticated Limited Theme File Deletion and Modification via 'page', 'path', and 'settings' GET Parameters
Medium 6.5
In plain English
A medium-severity missing authorization in Spectra Legacy – Gutenberg Blocks from brainstormforce. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 39% of all known vulnerabilities).
Official description
The Spectra Gutenberg Blocks – Website Builder for the Block Editor plugin for WordPress is vulnerable to limited file deletion due to insufficient file path validation in the '__construct' function in all versions up to, and including, 2.20.4 This makes it possible for unauthenticated attackers to delete theme files on the server.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| brainstormforce | Spectra Legacy – Gutenberg Blocks | 0 – through 2.20.4 |
Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/60ad515a-3c0b-47f5-919b-0d17f693c049?source=cve
- https://plugins.trac.wordpress.org/browser/ultimate-addons-for-gutenberg/tags/2.19.21/classes/class-uagb-fse-fonts-compatibility.php#L101
- https://plugins.trac.wordpress.org/browser/ultimate-addons-for-gutenberg/tags/2.19.21/classes/class-uagb-fse-fonts-compatibility.php#L93
- https://plugins.trac.wordpress.org/browser/ultimate-addons-for-gutenberg/tags/2.19.21/classes/class-uagb-fse-fonts-compatibility.php#L584
- https://plugins.trac.wordpress.org/browser/ultimate-addons-for-gutenberg/tags/2.19.21/classes/class-uagb-loader.php#L302
- https://plugins.trac.wordpress.org/changeset/3736176/